# ==========================================================================================================
# SublimErl - A Sublime Text 2 Plugin for Erlang Integrated Testing & Code Completion
#
# Copyright (C) 2013, Roberto Ostinelli <roberto@ostinelli.net>.
# All rights reserved.
#
# BSD License
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided
# that the following conditions are met:
#
#  * Redistributions of source code must retain the above copyright notice, this list of conditions and the
#        following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
#        the following disclaimer in the documentation and/or other materials provided with the distribution.
#  * Neither the name of the authors nor the names of its contributors may be used to endorse or promote
#        products derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ==========================================================================================================


# imports
import sublime, sublime_plugin, os, tempfile
from .sublimerl_core import *


# main autoformat
class SublimErlAutoFormat():

    def __init__(self, view, edit):
        self.view = view
        self.edit = edit

    def format(self):
        # save current caret position
        current_region = self.view.sel()[0]
        # save current file contents to temp file
        region_full = sublime.Region(0, self.view.size())
        content = self.view.substr(region_full).encode('utf-8')
        temp = tempfile.NamedTemporaryFile(delete=False)
        temp.write(content)
        temp.close()
        # call erlang formatter
        os.chdir(get_support_path())
        escript_command = "sublimerl_formatter.erl %s" % shellquote(temp.name)
        retcode, data = execute_os_command('%s %s' % (get_escript_path(), escript_command))
        # delete temp file
        os.remove(temp.name)
        if retcode == 0:
            # substitute text
            self.view.replace(self.edit, region_full, data)
            # reset caret to original position
            self.view.sel().clear()
            self.view.sel().add(current_region)
            self.view.show(current_region)


# format command
class SublimErlAutoFormatCommand(SublimErlTextCommand):
    def run_command(self, edit):
        formatter = SublimErlAutoFormat(self.view, edit)
        formatter.format()
